# a = 1
# while a <= 100:
#     print('今天是第%d天' %a)
#     a = a + 1
###########################################
# n = 1
# sum = 0
# while n <= 100:
#     sum = sum + n
#     n = n + 1
#     print(sum)
###############################################+
# for i in {"a","b","3","4","5",}:
#     print(i)
###############################################+
# for i in range(1,11):
#     print(i, end=" ")
#     print()
# for i in range(1, 11, 2):
#     print(i, end=" ")
#     print()
# for i in range(1, 7, 2):
#     print(i, end=" ")
#     print()
###############################################+
# sum = 0
# for i in range(1,101):
#     sum = sum + i
#     # print (sum,end=" ")
# print(sum)
################################################
# i = 1
# while i <= 5:
#     print("上班星期为：",i)
#     i = i + 1
#     t = 9
#     while t <= 17:
#         print("上班时间为",t, end="  ")
#         t = t + 1
#     print(  )
###################################################
# for i in range(1,6):
#     print("今天是周：", i)
#     for t in range(9, 18):
#         print("时间是：", t, end="    ")
#     print(  )
###################################################
# i = 1
# while i < 10:
#     j = 1
#     while j <= i:
#         print("%d*%d = %d"%(j,i,j*i),end="    ")
#         j+=1
#     print(" ")
#     i += 1

